/* Util.h  -- special operations

Copyright (C) 2010 Gabriel Alises Cano, Javier Angulo Lucerón

This file is part of Computer Graphics : Final Project 09-10.

Computer Graphics : Final Project 09-10 is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
Computer Graphics : Final Project 09-10 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with Computer Graphics : Final Project 09-10.  If not, see <http://www.gnu.org/licenses/>. */


#ifndef UTIL_H
#define UTIL_H

#include <GL/gl.h>
#include <cmath>
#include "Vertex3D.h"

#define PI 3.14159265

/** \brief Normalize vector
 *  \param vec3 : vector to normalize */
void normalize (GLdouble* vec3);

#endif
